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A car travels 150 km in 2 hours. What is its speed in km/h?

A. 60 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

If a train travels at a speed of 90 km/h, how long will it take to cover a distance of 270 km?

B. 3 HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A cyclist covers a distance of 120 km in 4 hours. What is the average speed of the cyclist?

B. 30 KM/H
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

A person walks at a speed of 5 km/h. How far can he walk in 3 hours?

C. 15 KM
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

For the quadratic equation x^2 - 4x + k = 0 to have real roots, what is the minimum value of k?

B. 4
Posted in:  Quadratic Equations -  Algebra -  Mathematics